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Today more Americans are using complementary and alternative care to help manage or prevent many health conditions. Many adopt them as part of their cultural and personal beliefs and to promote a greater sense of emotional, physical, and spiritual well-being.
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Chiropractic Providers



Sheri Brown, DC
Dr. Sheri Brown has been practicing chiropractic care since 1995. She is a graduate of Palmer Chiropractic University in San Jose, California, and practiced in California for six years before relocating with her family to Colorado. In addition to chiropractic, Dr. Brown has a special interest in treating various conditions in children through nutrition. Dr. Brown also has a private practice in the south Denver area.

John Hanks, DC
Dr. John Hanks has been in solo chiropractic practice since 1974. He is a diplomat of the American Board of Chiropractic Orthopedics and is certified as a chiropractor. He is a graduate of Bradley University and the National College of Chiropractic and holds a master's degree in Health Care Systems from the University of Denver. Dr. Hanks has served on the faculty of Colorado College of Chiropractic and is a visiting professor at the Waseda School of Healing in Tokyo, Japan. He has taught on the postgraduate faculties of three chiropractic colleges and has served as a consultant to the insurance industry on many occasions. Dr. Hanks has also served as a consultant to complementary and alternative medicine clinics and massage schools.




Marc Sorensen, DC

Borden Smith, DC
Dr. Borden Smith has been in active chiropractic practice since 1986. Hailing from Indiana, Borden went to chiropractic school in Atlanta before moving and establishing a practice for 5 years in Vermont. He has been in Evergreen, CO, since 1992. He has raised two children, both now out of college and traveling the world; he also has two wonderful step children and two grandkids. Dr. Smith has been married since 2003 to his wife, Lynda. He enjoys cycling, running, and hiking. He has worked at Kaiser Permanente since 2003 and enjoys all the aspects of Kaiser: patients, the comraderie of co-workers and management and the convenience of multiple locations. Providing quality chiropractic care is a driving force within him and he thrives in the Kaiser Permanente environment.





Catherine A. Valen, DC
Dr. Catherine Valen graduated from Life Chiropractic College in 1986 and has been in active practice since then. In addition to chiropractic, Dr. Valen has extensive experience in other areas of health care, including certification as an athletic trainer, a degree in nutrition, and special training in post-traumatic brain injury. She has specialized in difficult or resistant cases that require special techniques or considerations, and her patients have been known to travel from other states to work with her. Dr. Valen loves her work and is extremely committed to providing thorough and excellent care to all of her patients, helping them reach their highest wellness potential and health goals. She brings her passion, enthusiasm, and experience to Kaiser Permanente.

John Waring, DC
Dr. John Waring received a bachelor of science from Michigan State University in 1981 and received his chiropractic training and degree at Life Chiropractic College in Marietta, Georgia, in 1985. He has been practicing chiropractic in the Denver/Aurora area since 1986. His practice focuses on neuromusculoskeletal disorders, including sports injuries. Dr. Waring has a private practice in addition to his work with Kaiser Permanente, and he previously worked at a chronic pain clinic directed by two medical doctors. He was selected as a participating provider in a chronic neck pain research study performed in conjunction with doctors of chiropractic and medical doctors at the University of Colorado Health Sciences Center. Currently Dr. Waring is on the advisory board for Columbine Chiropractic Plan, and he has acted as a proctor for the Colorado State Board of Chiropractic Examiners.







Justin Dukes, DC, CSCS
Dr. Justin Dukes received a Bachelor of Science degree in Nutrition and Food Science from the University of Vermont and then went on to complete his Doctor of Chiropractic training at Western States Chiropractic College in Portland, Oregon.  As a chiropractor with a passion for fitness and functional movement, he blends his unique skills as chiropractic physician and functional fitness trainer to improve his patients as fast as physically possible. In his practice, Dr. Dukes utilizes thorough functional evaluations and treatments, Graston Technique, Active Release Technique, functional neurology, and spinal and extremity adjusting.

Ron Malpiede, DC
Dr. Ron Malpiede is a Colorado native, completing under graduate education at Auraria campus and graduated from Cleveland Chiropractic College K.C. in 1976. Dr. Malpiede completed post graduate Orthopedic training through National College and holds a certificate of completion in Chiropractic Orthopedics through Los Angeles College of Chiropractic. Southern California University of Health and Science and developed graduate research projects in biomechanics at the University of Denver department of Sports Science.





Jason Markijohn, DC
Dr. Jason Markijohn, D.C. completed his undergraduate studies at Allegheny College in Pennsylvania. In 2000, He completed his graduate studies at Sherman College of Chiropractic and received his Doctor of Chiropractic degree in December of that year.Since graduating, Dr. Jason has completed over 200 hours of continuing education with a focus on human nutrition, muscle strengthening/rehabilitation, and core muscle stabilization. Dr. Jason is a native of Pittsburgh, PA and moved to Colorado in October of 2006. He is a diehard fan of the Steelers and Penguins. Outside of the office, you may see Dr. Jason playing ice hockey, running with his Siberian Huskies, at the gym or attending a live music show. Dr. Jason's family and loved ones are an integral part of his life. He thanks all of them for their continued love and support! Dr. Jason Markijohn's professional mission is to assist multitudes of people live healthier lives and let people know that a wellness oriented lifestyle can assist you in reaching your optimum health goals. Dr. Jason will assist you in reaching your maximum health potential and will give you the best options for your health care decisions.

David Friedman, DC
Dr. Friedman has over 30 years of experience in the chiropractic field. After obtaining his bachelor's degree in Molecular biology form the University of Colorado, he graduated valedictorian of his chiropractic class. He also has advanced degrees in chiropractic orthopedics and sports medicine. His manipulative techniques vary from very gentle to moderately forceful. Dr. Friedman is adept at treating patients suffering from chronic pain conditions such as osteoarthritis, degenerative disk disease and myofascial pain syndrome. He has been successful helping patients with sports injuries, joint sprains, muscle strains and headaches.






Drew B. Colagrosso, DC, MS, BS
Dr. Colagrosso became a chiropractor because of his own personal experiences. As a child, his parents brought him to the chiropractor to maintain a strong immune system, keep him developing well and promote his good health. So becoming a Chiropractor was a natural career path for him to follow. Dr. Colagrosso started his Bachelor's degree in Human Biology right here in downtown Denver at the Auraria campus, and completed it in St. Louis at Logan University. He continued in St. Louis at Logan College of Chiropractic and received his Doctor of Chiropractic degree. In addition, Dr. Colagrosso has earned his Master's degree in Health Services Administration from St. Francis University. Since beginning his practice in 1988, Dr. Colagrosso has enjoyed lasting doctor-patient relationships with all his patients by providing professional, caring attention to your health. He makes sure you enjoy being treated here and feel comfortable referring your family, friends and co-workers. Dr. Colagrosso has worked in other integrated medical settings like this for many years, so he looks forward to working along with your other doctors and health care providers here at Kaiser Permanente.

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Unless your coverage includes a separate rider for chiropractic and/or acupuncture benefits, the products and services described here are provided on a fee-for-service basis, separate from and not covered under your health plan benefits, and you are financially responsible to pay for them. Clinical services are provided by providers or contractors of Kaiser Foundation Health Plan of Colorado, or employees of either Health Plan or Colorado Permanente Medical Group, P.C. Results of services vary among patients and cannot be guaranteed. For specific information about your health plan benefits, please see your Evidence of Coverage. Photos of models shown, not actual patients.

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